Thermal Properties of Protactinium and Mercury
Specific Heat
0.12 J/(kg K)
  
40
0.14 J/(kg K)
  
38
Molar Heat Capacity
Not Available
  
27.98 J/mol·K
  
13
Thermal Conductivity
47.00 W/m·K
  
32
8.30 W/m·K
  
99+
Critical Temperature
Not Available
  
Thermal Expansion
9.90 µm/(m·K)
  
40
60.40 µm/(m·K)
  
5
Enthalpy
  
  
Enthalpy of Vaporization
Not Available
  
56.90 kJ/mol
  
99+
Enthalpy of Fusion
12.34 kJ/mol
  
28
2.29 kJ/mol
  
99+
Enthalpy of Atomization
Not Available
  
61.50 kJ/mol
  
99+
Standard Molar Entropy
198.10 J/mol.K
  
1
75.80 J/mol.K
  
6